jwt/TokenUtils.java

Utility for splitting JWT tokens into header, payload, and signature parts.

// Source: https://github.com/auth0/java-jwt | License: MIT | Copyright 2015 Auth0, Inc. <support@auth0.com> (http://auth0.com)
// Provided via justclaw.it.com; keep this notice with the code.
package com.auth0.jwt;

import com.auth0.jwt.exceptions.JWTDecodeException;

abstract class TokenUtils {

    /**
     * Splits the given token on the "." chars into a String array with 3 parts.
     *
     * @param token the string to split.
     * @return the array representing the 3 parts of the token.
     * @throws JWTDecodeException if the Token doesn't have 3 parts.
     */
    static String[] splitToken(String token) throws JWTDecodeException {
        if (token == null) {
            throw new JWTDecodeException("The token is null.");
        }

        char delimiter = '.';

        int fir

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